4-40 – Mouser United Kingdom

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Mounting Fixings U-CLIPS 2062 Keystone Electronics 1: £0.624 5,682In Stock	Mfr. Part No. 2062 Mouser Part No 534-2062	Keystone Electronics	Mounting Fixings U-CLIPS	Datasheet	5,682In Stock	£0.624 £0.48 £0.455 £0.407 View £0.342 £0.34 £0.337 £0.329	Min.: 1 Mult.: 1
Washers SADDLE WASHER 2063 Keystone Electronics 1: £0.718 663In Stock	Mfr. Part No. 2063 Mouser Part No 534-2063	Keystone Electronics	Washers SADDLE WASHER	Datasheet	663In Stock	£0.718 £0.567 £0.538 £0.482 View £0.416 £0.328 £0.306 £0.299	Min.: 1 Mult.: 1
Screws & Fasteners JK. SCREW TURNABLE 2065 Keystone Electronics 1: £2.56 378In Stock	Mfr. Part No. 2065 Mouser Part No 534-2065	Keystone Electronics	Screws & Fasteners JK. SCREW TURNABLE	Datasheet	378In Stock	£2.56 £2.07 £1.98 £1.93 £1.20	Min.: 1 Mult.: 1
Screws & Fasteners 1.76"LONG JACK SCREW 2068 Keystone Electronics 1: £2.51 93In Stock	Mfr. Part No. 2068 Mouser Part No 534-2068	Keystone Electronics	Screws & Fasteners 1.76"LONG JACK SCREW	Datasheet	93In Stock	£2.51 £1.99 £1.87 £1.62 £1.22	Min.: 1 Mult.: 1
Screws & Fasteners JK SCRW W/SLOT 2.21" 2073 Keystone Electronics 1: £4.40 719In Stock	Mfr. Part No. 2073 Mouser Part No 534-2073	Keystone Electronics	Screws & Fasteners JK SCRW W/SLOT 2.21"	Datasheet	719In Stock	£4.40 £3.91 £3.79 £3.54 View £3.11 £2.68 £2.20 £2.07 £2.06	Min.: 1 Mult.: 1
Standoffs & Spacers SS .375 M/F THRD 2087 Keystone Electronics 1: £0.864 1,172In Stock	Mfr. Part No. 2087 Mouser Part No 534-2087	Keystone Electronics	Standoffs & Spacers SS .375 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	1,172In Stock	£0.864 £0.77 £0.736 £0.658 View £0.553 £0.45 £0.355 £0.342	Min.: 1 Mult.: 1
Standoffs & Spacers SS .625 M/F THRD 2089 Keystone Electronics 1: £1.48 1,322In Stock	Mfr. Part No. 2089 Mouser Part No 534-2089	Keystone Electronics	Standoffs & Spacers SS .625 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	1,322In Stock	£1.48 £1.13 £1.03 £0.673 £0.642	Min.: 1 Mult.: 1
Standoffs & Spacers SS .875 M/F THRD 2091 Keystone Electronics 1: £1.60 880In Stock	Mfr. Part No. 2091 Mouser Part No 534-2091	Keystone Electronics	Standoffs & Spacers SS .875 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	880In Stock	£1.60 £1.25 £1.15 £1.07 View £0.739 £0.71	Min.: 1 Mult.: 1
Standoffs & Spacers SS 1.500 M/F THRD 2096 Keystone Electronics 1: £2.94 254In Stock	Mfr. Part No. 2096 Mouser Part No 534-2096	Keystone Electronics	Standoffs & Spacers SS 1.500 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	254In Stock	£2.94 £2.50 £2.01 £1.39 £1.38	Min.: 1 Mult.: 1
Screws & Fasteners SOCKET HEAD SCREW 21405 Keystone Electronics 1: £2.81 18In Stock	Mfr. Part No. 21405 Mouser Part No 534-21405	Keystone Electronics	Screws & Fasteners SOCKET HEAD SCREW Learn More about Keystone Electronics keystone grade 2 titanium screws	Datasheet	18In Stock	£2.81 £2.13 £2.05 £1.95 View £1.93 £1.76 £1.33 £1.32	Min.: 1 Mult.: 1
Screws & Fasteners SOCKET HEAD SCREW 21410 Keystone Electronics 1: £2.94 82In Stock	Mfr. Part No. 21410 Mouser Part No 534-21410	Keystone Electronics	Screws & Fasteners SOCKET HEAD SCREW Learn More about Keystone Electronics keystone grade 2 titanium screws	Datasheet	82In Stock	£2.94 £2.26 £2.18 £2.07 View £2.06 £1.85 £1.39 £1.38	Min.: 1 Mult.: 1
Screws & Fasteners SOCKET HEAD SCREW 21412 Keystone Electronics 1: £3.11 55In Stock	Mfr. Part No. 21412 Mouser Part No 534-21412	Keystone Electronics	Screws & Fasteners SOCKET HEAD SCREW Learn More about Keystone Electronics keystone grade 2 titanium screws	Datasheet	55In Stock	£3.11 £2.39 £2.31 £2.19 View £2.18 £1.95 £1.47 £1.46	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X.750 ALUM 2204 Keystone Electronics 1: £0.488 4,579In Stock 10,000Expected 21/12/2026	Mfr. Part No. 2204 Mouser Part No 534-2204	Keystone Electronics	Standoffs & Spacers HEX .250X.750 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	4,579In Stock 10,000Expected 21/12/2026	£0.488 £0.407 £0.388 £0.348 View £0.299 £0.241 £0.223 £0.182	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 .125L STANDOFF 2260-2 Keystone Electronics 1: £0.496 2,494In Stock	Mfr. Part No. 2260-2 Mouser Part No 534-2260-2	Keystone Electronics	Standoffs & Spacers 4-40 .125L STANDOFF	Datasheet	2,494In Stock	£0.496 £0.38 £0.361 £0.322 View £0.301 £0.269 £0.20	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 .250L STANDOFF 2262-2 Keystone Electronics 1: £0.633 2,324In Stock 9,200Expected 09/11/2026	Mfr. Part No. 2262-2 Mouser Part No 534-2262-2	Keystone Electronics	Standoffs & Spacers 4-40 .250L STANDOFF	Datasheet	2,324In Stock 9,200Expected 09/11/2026	£0.633 £0.485 £0.46 £0.412 View £0.347 £0.281 £0.261 £0.244	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 X .187 STDOFF 2264-2 Keystone Electronics 1: £0.779 1,181In Stock	Mfr. Part No. 2264-2 Mouser Part No 534-2264-2	Keystone Electronics	Standoffs & Spacers 4-40 X .187 STDOFF	Datasheet	1,181In Stock	£0.779 £0.602 £0.579 £0.526 View £0.443 £0.349 £0.32 £0.308	Min.: 1 Mult.: 1
Screws & Fasteners THUMB SCREW 6-32 .5" 2407 Keystone Electronics 1: £1.91 438In Stock	Mfr. Part No. 2407 Mouser Part No 534-2407	Keystone Electronics	Screws & Fasteners THUMB SCREW 6-32 .5"	Datasheet	438In Stock	£1.91 £1.53 £1.50 £1.47 View £1.27 £1.10 £0.89	Min.: 1 Mult.: 1
Screws & Fasteners CAPTIVE SCREW 2414 Keystone Electronics 1: £3.33 22In Stock	Mfr. Part No. 2414 Mouser Part No 534-2414	Keystone Electronics	Screws & Fasteners CAPTIVE SCREW	Datasheet	22In Stock	£3.33 £2.53 £2.32 £1.98 View £1.90 £1.87	Min.: 1 Mult.: 1
Screws & Fasteners 4-40 .125 SHLDR SCW 2421 Keystone Electronics 1: £1.51 458In Stock	Mfr. Part No. 2421 Mouser Part No 534-2421	Keystone Electronics	Screws & Fasteners 4-40 .125 SHLDR SCW	Datasheet	458In Stock	£1.51 £1.21 £1.18 £1.15 View £0.925 £0.89 £0.835 £0.804	Min.: 1 Mult.: 1
Screws & Fasteners 4-40 .250 SHLDR SCW 2422 Keystone Electronics 1: £0.925 499In Stock	Mfr. Part No. 2422 Mouser Part No 534-2422	Keystone Electronics	Screws & Fasteners 4-40 .250 SHLDR SCW	Datasheet	499In Stock	£0.925 £0.732 £0.694 £0.621 View £0.479 £0.457 £0.444 £0.441	Min.: 1 Mult.: 1
Screws & Fasteners 4-40 .125 SHLDR SOCK 2441 Keystone Electronics 1: £1.54 221In Stock	Mfr. Part No. 2441 Mouser Part No 534-2441	Keystone Electronics	Screws & Fasteners 4-40 .125 SHLDR SOCK	Datasheet	221In Stock	£1.54 £1.20 £1.07 £0.917 View £0.908 £0.712 £0.676	Min.: 1 Mult.: 1
Screws & Fasteners NYLON KNURL HEAD THUMB SCREW 2501 Keystone Electronics 1: £0.41 996In Stock	Mfr. Part No. 2501 Mouser Part No 534-2501	Keystone Electronics	Screws & Fasteners NYLON KNURL HEAD THUMB SCREW	Datasheet	996In Stock	£0.41 £0.317 £0.282 £0.239 View £0.198 £0.181 £0.165 £0.154	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.250 ALUM 3478 Keystone Electronics 1: £0.394 1,711In Stock	Mfr. Part No. 3478 Mouser Part No 534-3478	Keystone Electronics	Standoffs & Spacers RND .250X.250 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	1,711In Stock	£0.394 £0.299 £0.267 £0.226 View £0.188 £0.173 £0.156 £0.146	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X1.50 ALUM 3483 Keystone Electronics 1: £1.28 728In Stock	Mfr. Part No. 3483 Mouser Part No 534-3483	Keystone Electronics	Standoffs & Spacers RND .250X1.50 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	728In Stock	£1.28 £1.00 £0.96 £0.952 View £0.844 £0.588 £0.533 £0.496	Min.: 1 Mult.: 1
Standoffs & Spacers 4/40 STANDOFF 352 Keystone Electronics 1: £2.49 216In Stock	Mfr. Part No. 352 Mouser Part No 534-352	Keystone Electronics	Standoffs & Spacers 4/40 STANDOFF	Datasheet	216In Stock	£2.49 £1.92 £1.81 £1.50 View £1.13 £1.04 £1.03	Min.: 1 Mult.: 1